+#ifndef TINC_PIDFILE_H
+#define TINC_PIDFILE_H
+
/*
pidfile.h - interact with pidfiles
Copyright (c) 1995 Martin Schulze <Martin.Schulze@Linux.DE>
* 0 is returned if either there's no pidfile, it's empty
* or no pid can be read.
*/
-extern pid_t read_pid (const char *pidfile);
+extern pid_t read_pid(const char *pidfile);
/* check_pid
*
* table (using /proc) to determine if the process already exists. If
* so 1 is returned, otherwise 0.
*/
-extern pid_t check_pid (const char *pidfile);
+extern pid_t check_pid(const char *pidfile);
/* write_pid
*
* Writes the pid to the specified file. If that fails 0 is
* returned, otherwise the pid.
*/
-extern pid_t write_pid (const char *pidfile);
+extern pid_t write_pid(const char *pidfile);
/* remove_pid
*
* Remove the the specified file. The result from unlink(2)
* is returned
*/
-extern int remove_pid (const char *pidfile);
+extern int remove_pid(const char *pidfile);
+#endif
+
#endif